Best Keto Calculator Apps

245+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.0★, the keto calculator category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.

Compare top Keto Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.8★ (733K)NoYesAug 2026
2Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoAug 2026
3Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesAug 2026
4Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)NoYesAug 2026
5Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesAug 2026
6Keto Diet App: Keto ManagerKeto Diet App: Keto ManagerFree4.7★ (9.4K)NoYesAug 2026
7Keto Diet App & RecipesKeto Diet App & RecipesFree4.7★ (29K)NoYesAug 2026
8My Keto Scanner: Carb CheckerMy Keto Scanner: Carb CheckerFree4.7★ (314)YesYesAug 2026

Top Picks for Keto Calculator

Carb Manager: Keto & Macro Log#1

Carb Manager: Keto & Macro Log by Wombat Apps LLC

Calorie Counter & Diet Tracker
Editor's Choice
💪 Health & Fitness
4.8😊(733K ratings)
FreeIn-App Purchases
Carb Manager: Keto & Macro Log screenshot 1
Carb Manager: Keto & Macro Log screenshot 2
Carb Manager: Keto & Macro Log screenshot 3
Carb Manager: Keto & Macro Log screenshot 4
Carb Manager: Keto & Macro Log screenshot 5
Carb Manager: Keto & Macro Log screenshot 6

Easily track carbs, macros, and calories for low-carb and keto diets. Features include barcode scanning, recipe access, and community support to help you achieve your health goals.

What We Love

  • 🚀 Easy to use
  • 🔒 Comprehensive tracking
  • 👍 Helpful for keto/low-carb diets
  • 👍 Useful recipes and meal plans

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Buggy and crashes frequently
  • 🐛 Clunky interface and navigation
Keto Calculator - Keto Buddy#2

Keto Calculator - Keto Buddy by Compumaster Ltd

Keto/low carb macro calculator
Strong Contender
💪 Health & Fitness
4.6😐(8.4K ratings)
Free
Keto Calculator - Keto Buddy screenshot 1
Keto Calculator - Keto Buddy screenshot 2
Keto Calculator - Keto Buddy screenshot 3
Keto Calculator - Keto Buddy screenshot 4
Keto Calculator - Keto Buddy screenshot 5

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

What We Love

  • 👍 Good so far
  • 👍 Convenient and easy to use
  • 👍 Helpful resource
  • 👍 Precise and informative

Room to Improve

  • 🤔 Confusing interface
  • 🤔 Lacks functionality
  • 💰 Expensive
Keto diet app-Low carb manager#3

Keto diet app-Low carb manager by Zinaida Davydova

Macros tracker & counter
Worth Considering
💪 Health & Fitness
4.6😐(62K ratings)
FreeIn-App Purchases
Keto diet app-Low carb manager screenshot 1
Keto diet app-Low carb manager screenshot 2
Keto diet app-Low carb manager screenshot 3
Keto diet app-Low carb manager screenshot 4
Keto diet app-Low carb manager screenshot 5
Keto diet app-Low carb manager screenshot 6

This app acts as your personal keto nutritionist, simplifying weight loss by tracking macros and food intake. It offers a custom macro plan, extensive food database with barcode scanning, and helpful features like meal plans and recipe creation.

What We Love

  • 🚀 Easy to use
  • 🚀 Helpful for Keto diet
  • 🚀 Barcode scanning feature
  • 🚀 Customizable macros

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Frequent crashes and glitches
  • 🐛 Limited functionality in free version

More Keto Calculator apps to explore

4
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Low Carb Diet & Macros Manager
Free

This app helps you track carbs and calories to achieve weight loss and maintain a ketogenic lifestyle. It offers easy food logging, progress tracking, and support for custom foods and fasting. Certified diet coaches are also available.

Visual carb and calorie loggingBarcode scanner for food entryFasting support
💪 Health & Fitness
(8.9K)
free with in-app purchases
5
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

This app acts as your personal keto coach, offering a powerful macro tracker with hundreds of recipes and diet tips. Easily log food using voice recognition or a barcode scanner, and receive a custom weight loss plan to reach your goals faster.

Automatic macro calculatorCarb and calorie counterPersonalized weight loss plan
💪 Health & Fitness
(82K)
free with in-app purchases
6
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Net Carb & Macro Tracker
Free

This app simplifies low-carb and macro tracking for weight loss and diabetes management. It uses voice recognition for easy food logging, offers automatic nutrient calculation, and provides community support. Access recipes, meal plans, and health insights to support your diet.

Voice recognition for food loggingAutomatic macro and net carb calculatorLow-carb eating insights
💪 Health & Fitness
(9.4K)
free with in-app purchases
7
Keto Diet App & Recipes
Keto Diet App & Recipes
Keto Diet App & Recipes
Carb Manager & Cycle Tracker
Free

This app guides you through the ketogenic diet with in-depth information, comprehensive food lists, and over 200 recipes. It offers personalized features to help you achieve your fat-burning goals and stay on track with your diet.

Keto diet insights and benefitsComprehensive food lists200+ keto recipes with nutrition info
🍔 Food & Drink
(29K)
subscription
8
My Keto Scanner: Carb Checker
My Keto Scanner: Carb Checker
My Keto Scanner: Carb Checker
Net Carb, Macro & Diet Tracker
Free

This app helps users learn and follow a low-carb, high-fat ketogenic diet. It provides a macro nutrient calculator, a guide to allowed/disallowed foods, recipes, and a daily tracker for calories and carbs to support weight loss and health goals.

Macro nutrient calculatorAllowed/disallowed foods referenceLow-carb, high-fat recipes
🍔 Food & Drink
(314)
free with in-app purchases
9
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
Low Carb Food & Diet Manager
Free

This app helps users manage low-carb and keto diets with comprehensive tools for food logging, carb counting, macro tracking, and personalized diet plans. It features a vast food database, recipe library, and exercise tracking to support weight loss and nutrition goals.

Low-carb and keto diet managementCarb counter and macro trackerExtensive verified food database
💪 Health & Fitness
(5.1K)
subscription
10
Keto Diet & Calorie Tracker
Keto Diet & Calorie Tracker
Keto Diet & Calorie Tracker
Keto calories and macros
Free

Easily calculate your ketogenic diet macros, including calorie and gram distribution. It also determines your basal and total metabolic rates for weight maintenance, loss, or muscle building.

Keto macro distribution calculationCalorie and gram breakdownBasal metabolic rate calculation
💪 Health & Fitness
(1)
free
11
Keto Pro: Keto Recipes & Diets
Keto Pro: Keto Recipes & Diets
Keto Pro: Keto Recipes & Diets
Supercharge Your Keto Diet
Free
🍔 Food & Drink
(0)
12
Keto diet: Ketiet
Keto diet: Ketiet
Keto diet: Ketiet
Keto diet, tracker
Free
$0.99 | 100% OFF

This app generates personalized ketogenic diet plans based on your goals and parameters. It provides a 28-day menu, tracks water intake, and monitors weight and BMI changes with detailed statistics. You can also swap meals and access selected keto recipes.

Personalized keto diet plans28-day menu creationCalorie and macronutrient tracking
💪 Health & Fitness
(0)
free
13
KetoScanner: Keto Food Scanner
KetoScanner: Keto Food Scanner
KetoScanner: Keto Food Scanner
Scan Photo, Get Keto Score
Free
🍔 Food & Drink
(0)
14
Keto Diet App – Food Tracker
Keto Diet App – Food Tracker
Keto Diet App – Food Tracker
Meal Planner & Calorie Counter
Free

This app helps you follow a healthy low-carb lifestyle for weight loss and improved health. It offers meal planning and calorie counting features to manage your ketogenic diet effectively.

Keto diet supportMeal planningCalorie counter
🌟 Lifestyle
(130)
free with in-app purchases
15
Total Keto Diet: Low Carb App
Total Keto Diet: Low Carb App
Total Keto Diet: Low Carb App
Carb Manager & Calorie Counter
Free

This app supports a low-carb lifestyle with thousands of recipes, meal planning, and exercise tracking. It helps users monitor calories and macros, offers a food database, and provides guidance for beginners. Users can create shopping lists and access a supportive community.

Macro tracker for calories and macrosCustomizable meal plansExtensive collection of keto recipes
🍔 Food & Drink
(4K)
free with in-app purchases
16
Keto Diet app. Carb counter
Keto Diet app. Carb counter
Keto Diet app. Carb counter
Net Carb Manager, Keto recipes
Free

This app acts as a personal keto nutritionist, helping you manage your diet, water intake, and exercise. It offers personalized recommendations, tracks micro and macro nutrients with a barcode scanner, and allows you to create and save your own recipes.

Personalized keto nutritionistNet carb managerBarcode scanner for nutrients
💪 Health & Fitness
(313)
free with in-app purchases
17
Keto Diet: Carb Macro Tracker
Keto Diet: Carb Macro Tracker
Keto Diet: Carb Macro Tracker
Food barcode scanner & manager
Free

Easily track your carbohydrate intake for a keto or low-carb diet. Scan barcodes or search for foods to log meals quickly and monitor your progress with clear charts. Designed for a simple, focused user experience.

Carb tracking for keto/low-carb dietsBarcode food scannerSearchable food database
💪 Health & Fitness
(11)
free with in-app purchases
18
Keto diet app Low net carb food list for ketogenic
Keto diet app Low net carb food list for ketogenic
Keto diet app Low net carb food list for ketogenic
by Alisa Unzhakova
Free

This grocery list app helps users follow a ketogenic diet by providing a list of allowed foods. Its bright icons and friendly interface aim to make dietary changes easier and more enjoyable.

Keto diet grocery listAllowed product listBright icons
🌟 Lifestyle
(13)
free
19
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Simple Low Carb Health Manager
Free

Easily track your low-carb and ketogenic diet by quickly inputting custom foods and their nutritional information. This app allows you to save and reuse your own recipes, adjusting serving sizes automatically for accurate macro and calorie tracking.

Custom food loggingSave and reuse custom foodsAdjustable serving sizes
💪 Health & Fitness
(1.8K)
free
20
Keto Diet App- Recipes Planner
Keto Diet App- Recipes Planner
Keto Diet App- Recipes Planner
Low carb meal tracker manager
Free

Discover over 1000 keto-friendly recipes for all meals, complete with detailed nutrition and net carb information. Track your daily nutrient intake to stay on course with your low-carb diet goals.

1000+ keto recipesDetailed nutrition informationNet carb tracking
🍔 Food & Drink
(1)
subscription

FAQ about Keto Calculator

What are the best keto calculator apps for iPhone?
Carb Manager: Keto & Macro Log tops our keto calculator apps ranking as of August 2026, with a 4.8-star average from 733K App Store ratings, and it's free to download.
Yes — 20 of the top keto calculator apps we rank are free to download, including Carb Manager: Keto & Macro Log and Keto Calculator - Keto Buddy.
Carb Manager: Keto & Macro Log has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ keto calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Carb Manager helps users track their carbohydrate intake, macros (protein, fat, carbs), and calories, making it simple to follow low-carb and ketogenic diets. It offers tools for logging meals, scanning barcodes, and accessing recipes to support a healthy lifestyle.
Key features include unlimited free barcode scanning, free net carb tracking, a macro calculator, calorie counter, intermittent fasting tracker, over 5,000 keto recipes, and community support. Premium features offer advanced diabetes tracking and carb cycling tools.

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